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STR3A154 Datasheet Pwm Off-line Switching Regulator Ics

Manufacturer: Sanken

Overview: STR3A151, STR3A152, STR3A153, STR3A154, STR3A155 PWM Off-Line Switching Regulator.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

STR3A100 series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package.

Including a startup circuit and a standby function in the controller, the product achieves low power consumption, low standby power, and high cost-effectiveness in power supply systems, while reducing external components.

The products are provided in an industry standard DIP8 package.

Key Features

  • Current mode PWM control.
  • Built-in Random Switching function: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction.
  • Built-in Slope Compensation function: avoids subharmonic oscillation.
  • Built-in Leading Edge Blanking (LEB) function.
  • Auto Standby function: ▫ Input power, PIN < 10 mW at no load with low power consumption shunt regulator ▫ Normal load operation: PWM switching ▫ Light load operation: Standby mode (Burst osc.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Sanken electric Logo STR3A154 Off-Line PWM Controllers Sanken electric

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